Water-tube boiler



Jan. 18 1927.`

` A. H. EGSIEKER WATER TUBE BOILER Filed Deo. 31, 1924 Patented Jan. 18,1927.

UNITEDv STATES 1,615,006 PATENT OFFICE.

ALBERT H. EGSIEKER, OF ST. LOUIS, MISSOURI, ASSIGNOR TO IIEINE BOILERCOM- PANY, OF ST. LOUIS7 MISSOURI, A CORPORATION OF MISSOURI.

WATER-TUBE BOILER.

Application .filed December 31, 1924. Serial No. 759,009.

This invention relates to water tube boilers of the type that comprisebanks ot tubes that project upwardly from a lower drum, and has for itsmain object to provide a boiler of the general class referred to whichis equipped with a novel means for facilitating the removal ot soot,dust and the like that collects onthe top .side ot said lower drum.

Figure 1 .of the drawings is a vertical longitudinal sectional view'of aboiler constr-ucted in accordance with my invention.V

Figure 2 is an enlarged transverse sectional view, taken on the line2-'2 ot Figure' l, looking in the direction indicated by the arrows; and

Figure 3 is a detail sectional view, taken on `the line 3 3 ot Figure 2looking in the direction indicated by the arrows.

In the drawings A designates the lower drum of a conventional verticaltube, bent tube boiler, B designates the rear tube bank, C designates latube lbank arranged in front of vlthe rear bank and D designates atransversely-disposed battle that is arranged between said tube banks.In order to .facilitate .the removal of soot and the like which collectson the top side ot the lower drum A, the baiiie D isprovided at yitslower end with one or more openings 1 through which soot 30 can bedischarged trom the top side of the lower drum ,by any suitable means,such, lfor example, as conventional soot blowers. The openings 1 arenormally covered by closures that prevent the gases from shortcircuiting from the pass in which the tube 'bank C is arranged into thepass in which lthe rear tube bank B is arranged, and when itbecomesnecessary or desirable' to remove soot or the like that hascollected on the top side of the drum A, said closure or closures areopened so as to permit the soot to be vdischarged from the top side ofthe 'lower drum through the openings 1 in the lower portion of-thelbattle D. The form and specilic .loca- `tion oflthe openings l areimmaterial and any suitable typeof clos-ure may be used for saidopenings. I prefer, however, to equip the ,battle D with two groups ofopenings 1 arranged in close proximity to the lower drum A, and controleach of said groups of openings by a closure equipped with an operatingdevice that can be manipulated through an opening in the adjacentsidewall of the boiler setting, that is lnormally closedy by a door. In theform of my invention herein illustrated two slide valves E are used toform the closures above referred to, each of said valves beingassociated with one ot the groups of openings l in the lower portion otthe batlie D and being provided with an operating device 2 that can bemanipulated through a hole in the adjacent side wall 3 ot the boilersetting, that is normally vclosed by a door 3, as shown in Figure 2. i

Instead of forming the eiitirebaiile D from fire brick or the like, Iprefer to construct the lower part ot said battle from metal andconstruct the upper part ot said batlie from tire brick, the cleanfoutopenings l being formed in the metal lower part of the battle and theslide valves E being slidingly mounted in or on said metal lower part.In the boiler herein shown the metal lower part, of the baiile D isformed by a plurality ot metal vmembers F otsubstantially channel shapein cross section arranged end to end longitudinally ot the lower drum Aand projecting upwardly from saine so as to serve as a substantialsupporting structure for the tire bricks that constitute the upper`portion ot' the battle D.

lThe clean-out openings 1 are formed in the webs of the members F inclose proximity to the Abottom flanges 4 of said members and the slidevalves E are supported byv and slidingly mounted on said 1flanges t.Each ot said slide valves consistsot a substantially oblong-shapedmember provided with a web having openings 1a that are spaced apart thesame distance as the openings 1 which said valve controls. When theboiler is-in opera# tion both of the valves E are arranged in theposi-tion shown at the left of Figure 2, wherein it willbe noted thatthe impertorate portions of the web of the valve are arranged over theopenings 1 inthe metallic lower portion of the battle D. Wien it isdesired to remove 4soot-or the like from the top side otl the lower drumA, `the valves E are moved outwardly into the position shown at theright of Figure 2, so as to bring the openings la in said valves intoregistration with the clean-ont openings 1 in the lower metallic portionof the baffle D, att-er which said soot can be discharged rearwardlythrough the aligned openings 1 and 1a in they baiiie and in the valves Eby soot blowers, or any other suitable means.

The vmetal members Ii that constitute the metallic `lower portion ot thebattle D are preferably equipped with ribs 5 arranged above theclean-out holes in said members and integrally connected to the webs andto the top flanges of said members, and each of the valves E ispreferably provided adjacent its outer end with a lug 7 that cooperateswith one of said ribs 5 to limit the movement of said valve in onedirection, and a lug 8 that co-operates with said rib to limit theoutward movement of the valve during the operation of uncovering theclean-out openings l, in the metallic lower portion of the balile. Asshown in Figure l, the members F at the lower end of the baille Dproject upwardly and rearwardly from the lowerI drum A, and are arrangedwith their top and bottom flanges 6 and t, respectively, projectingforwardly, the bottom course of lire bricks in the upper portion ot thebaiile being Supported by the top flanges G of said members, as shown inFigure 3. The valves E are not permanently connected to the members Fbut are simply laid looseupon said members, this being made possible byreason of the fact that members F are inclined rearwardly at such anangle that there is no possibility of the webs of the valves E movingout of contact with the webs of the members F.

Having thus described my invention, what I claim and desire to secure byLetters Patent is:

l. A water tube boiler provided with a lower drinn, banks of tubesprojecting upwardly from said drum, a transversely-disposed baillebetween the rear tube bank and the tube bank in front of same thatstarts at said lower drum and projects upwardly from the same, anopening in the lower portion of said baille through which soot and thelike can be removed from the top side of said lower drum, and a closurefor said opening that is normally arranged over said opening so as toprevent the gases from passing through the lower portion ot' the baiile.

2. A water tube boiler provided with a lower drum, banks of tubesprojecting upwardly from said drum, a transversely-disposed hatllebetween the rear tube bank and the tube bank in front of same thatstarts at said lower drum and projects upwardly from the same, anopening in the lower portion of said rbaille through which soot and thelike can be removed from the top side of said lower drum, a closure forsaid opening that is normally arranged over said opening so as toprevent the gases from passing through the lower portion of the baille,and an actuating device for said closure operable from'the exterior ofthe boiler.

3. A water tube boilerprovided Awith a lower drum, banks of tubesprojecting upwardly from said drum, a transversely-disposed batilearranged in front Vof the rear tube bank with its lower edge contact-ingwith said lower drum, clean-out openings formed in the lower portion ofsaid batlie across the entire width of same so as to facilitate theremoval of soot and the like that collect on any portion of the top sideof said lower drum, and a means operable from the exterior ot the boilerthat normally closes said openings.

a. A boiler, comprising a lower drum, two banks ot water tubesprojecting upwardly from said lower drum, a battle that starts at saidlower drum and projects upwardly from same between said banks, openingsin the lower portion ot said baffle through which soot and the like canbe removed from the top side of said drum, and a slide valve arranged tonormally close said openings and provided with openings that are adaptedto be brought into registration with the openings in said baille when itis desired to clean oil' the top side ol said drum.

5. A water tube boiler provided with a lower drum, a bank of water tubesprojecting upwardly from said lower drum, a transversely-disposed bailleat one side of said tube bank that starts at said drum and projectsupwardly 'from the same, said baille having an inclined lower portionthat is equipped with openings through which soot and the like can bedischarged from the top side of said drum, and a closure for saidopenings slidin ly mounted on the inclined portion of said alile andnormally arranged over said openings,

6. A water tube boiler, comprising a lower drum, water tubes projectingupwardly from said lower drum, a transversely-disposed baflle extendinglengthwise of said drum and provided with a metallic lower portion and abrick upper portion supported by said lower portion, said metallic lowerportion being equipped with clean-out openings,` and valves slidinglymounted on the metallic lower portion ot the balile and normallyarranged over said clean-out openings.

7. A water tube boiler provided with a lower drum, water tribesprojecting upwardly from said lower drum, a transversely-disposed bailieprovided with a lower portion composed of a plurality of substantiallychannel-shaped members arranged end to end and having clean-out openingsformed in their webs, and closures that are normally arranged over saidopenings so as to prevent the gases from passing through the lowerportion of the baffle.

8. A water tube boiler provided with a lower drum, water tubesprojecting upwardly from said lower drum, a transverselydisposed bailleprovided with an inclined lower portion formed by a plurality of metalmembers equipped with clean-out openings and each having a bottom lange,and slide valves supported by the bottom flanges of said members andadapted to be arranged so as to normally close said clean-out openings.

9. A water tube boiler, comprising a lower drum, water tubes projectingupwardly from said drum, a transversely-disposed baffle whose lowerportion is formed by a number of substantially channel-shaped membersarranged end to end longitudinally of said drum, cleanout openings inthe webs of said members, and valves that normally close said openingsslidingly mounted on said members and equipped with openings that areadapted to be brought into registration with the openings in saidmembers when it is desired to clean oii the top side of said drum.

l0. A water tube boiler, comprising a lower drum, water tubes projectingupwardly. `from said drum, a transversely-disposed bale provided with alower portion composed of a number of substantially channelshaped metalmembers arranged end to end longitudinally of the drum, clean-outopenings in the webs of said members, ribs on said members integrallyConnected to the webs and top flanges of said members and valvessldingly mounted on the bottom flanges of said members and adapted to benormally arranged over said clean-out openings.

ll. A water tube boiler, Comprising a lower drum, Water tubes projectingupwardly from said lower drum, a transverselydisposed baffle comprisingan upper portion constructed of brick and a lower supporting portion forsaid upper portion composed ot' a number of metal members arranged endto end longitudinally of said drum, clean-out openings in said metalmembers, and closures operable from the exterior of the boiler andadapted to be normally arranged over said clean-out openings.

ALBERT H. EGSIEKER.

